CN209978802U - Device for detecting coaxiality of key sizes of motor bodies of electric wheel automobile wheels - Google Patents
Device for detecting coaxiality of key sizes of motor bodies of electric wheel automobile wheels Download PDFInfo
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- CN209978802U CN209978802U CN201920467392.0U CN201920467392U CN209978802U CN 209978802 U CN209978802 U CN 209978802U CN 201920467392 U CN201920467392 U CN 201920467392U CN 209978802 U CN209978802 U CN 209978802U
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Abstract
The utility model discloses an electronic round of automobile wheel motor organism key dimension axiality detection device, a serial communication port, including pivot, base, bearing, sleeve and percentage table, the bearing runs through the pivot and passes through interference fit fastening connection to the bearing sets up about pivot bilateral symmetry, the bearing is equipped with a plurality ofly, and this bearing is the standard component, the inside mount pad hole that is equipped with a plurality of bearings of base, the base passes through mount pad hole and bearing external diameter interference fit fixed connection, the base is tubular structure, the one end outside of base is provided with the flange, fixed mounting has a plurality of lugs on the flange, be equipped with the screw thread through-hole on the flange, connecting hole and bolt phase-match on this screw thread through-hole and the motor organism. The utility model discloses simple structure, convenient operation can synthesize data such as the key dimension's of data with analysis motor organism axiality through percentage table direct measurement.
Description
Technical Field
The utility model relates to a motor organism detects technical field, specifically is an electronic round of automobile wheel motor organism key dimension axiality detection device.
Background
The electric wheel automobile is an important tool for mine ore transportation, and the wheel motor used by the electric wheel automobile belongs to an electrically-driven giant motor and is expensive. The machine body, the planetary gear, the torsion tube, the sun gear and other components of the wheel motor have high processing precision, particularly the axial lead of a base circle formed by the axial leads of the mounting journals of the two hub bearings and the central line position points of the mounting seat holes of the three planetary gear bearings, the actual condition of the coaxiality difference formed by the two axial leads deviating from the allowable tolerance value, if a new part has dimension errors or decomposed old parts deformed due to processing, transportation and the like, the assembly quality and the service life of the wheel motor are greatly influenced, and in a particularly serious condition, moving parts of the wheel motor have mutual interference and blocking during operation, and serious faults such as gear beating and the like can occur, so that huge economic loss is caused. Due to the structural characteristics of the motor body, the two kinds of size data lack specialized detection tools on the spot, and the common tools are difficult to accurately and directly measure, so that great difficulty is brought to the maintenance and the expected improvement of the service life of the wheel motor. Aiming at the problem, a practical and feasible solution is provided, and the coaxiality detection device for the key size of the electric wheel automobile wheel motor body is used, and comprehensive data such as the coaxiality of the key size and the like are directly detected through a dial indicator so as to judge and screen out the available bodies meeting the standard for assembling the wheel motor, so that a more reliable basic basis is provided for improving the assembling quality of the wheel motor and prolonging the service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of existence among the prior art, provide an electronic round of automobile wheel motor organism key dimension axiality detection device, simple structure, convenient operation, can synthesize data such as the axiality of the key dimension with the analysis motor organism through percentage table direct measurement's data to judge, select accord with standard, available motor organism and carry out the wheel motor assembly, and the accessible improves the assembly quality of wheel motor in order to reach the effect that improves wheel motor life.
In order to realize the purpose, the utility model discloses a technical scheme be:
the device for detecting the key size coaxiality of the motor body of the electric wheel automobile wheel motor is characterized by comprising a rotating shaft, a base, a plurality of bearings, a sleeve and a dial indicator, wherein the bearings penetrate through the rotating shaft and are tightly and tightly connected through interference fit, the bearings are symmetrically arranged on the left and right of the rotating shaft, the bearings are standard parts, a plurality of mounting seat holes of the bearings are formed in the base, the base is fixedly connected with the outer diameter of the bearings through mounting seat holes in interference fit, the base is of a cylindrical structure, a flange is arranged on the outer portion of one end of the base, a plurality of lifting lugs are fixedly mounted on the flange, a threaded through hole is formed in the flange, the threaded through hole is matched with a connecting hole in the motor body and a bolt, the sleeve is of a cylindrical structure, the outer diameter size of the sleeve is matched with the inner diameter sizes of a planetary gear bearing hole I, a, and the length of the sleeve is greater than the axial length of the planet gear bearing hole I, the planet gear bearing hole II and the planet gear bearing hole III.
Preferably, the rotating shaft is an elongated rod-shaped structure.
Preferably, there are 2 bearings.
Preferably, the rotating shaft and the bearing are fixedly connected through interference fit.
Preferably, the flange is perpendicular to the side wall of the base.
Preferably, the flange and the lifting lug are fixedly connected in a welding mode.
Preferably, the lifting lug is provided with 2-4 lifting lugs.
The utility model has the advantages that: the utility model provides an electronic round of car wheel motor organism key dimension axiality detection device, simple structure, convenient operation can synthesize data such as the axiality with the key dimension of analysis motor organism through percentage table direct measurement's data to judge, select accord with standard, available motor organism and carry out the wheel motor assembly, and the accessible improves the assembly quality of wheel motor in order to reach the effect that improves wheel motor life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the motor body structure of the present invention;
FIG. 3 is a schematic view of the motor body detecting and mounting structure of the present invention;
in the figure: 1. the device comprises a rotating shaft, 2, a base, 3, bolts, 4, bearings, 5, a sleeve, 6, a dial indicator magnetic gauge stand, 7, a dial indicator, 8, a connecting rod, 9, planetary gear bearing holes I and 10, planetary gear bearing holes II and 11, planetary gear bearing holes III and 12, a motor body, 13, a lifting lug, 14 and a hub bearing installation journal, 15 and a flange.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The device for detecting the key size coaxiality of the motor body of the electric wheel automobile wheel motor shown in fig. 1-3 is characterized by comprising a rotating shaft 1, a base 2, a plurality of bearings 4, a sleeve 5 and a dial indicator 7, wherein the bearings 4 penetrate through the rotating shaft 1 and are tightly connected through interference fit, the bearings 4 are symmetrically arranged on the left and right of the rotating shaft 1, the plurality of bearings 4 are arranged, the bearings 4 are standard components, a plurality of mounting seat holes of the bearings 4 are formed in the base 2, the base 2 is fixedly connected with the outer diameter of the bearings 4 through the mounting seat holes in the interference fit manner, the base 2 is of a cylindrical structure, a flange 15 is arranged on the outer portion of one end of the base 2, a plurality of lifting lugs 13 are fixedly mounted on the flange 15, threaded through holes are formed in the flange 15 and are matched with connecting holes in the motor body 12 through bolts 3, and the sleeve 5, the outer diameter of the sleeve 5 is matched with the inner diameter of the planetary gear bearing hole I9, the planetary gear bearing hole II10 and the planetary gear bearing hole III11, and the length of the sleeve 5 is larger than the axial length of the planetary gear bearing hole I9, the planetary gear bearing hole II10 and the planetary gear bearing hole III 11.
Preferably, the rotating shaft 1 is an elongated rod-shaped structure. The number of the bearings 4 is 2. The rotating shaft 1 is fixedly connected with the bearing 4 through interference fit. The flange 15 is perpendicular to the side wall of the base 2. The flange 15 is fixedly connected with the lifting lug 13 through welding. The lifting lugs 13 are provided with 2-4.
The working principle of the utility model is that whether the axial lead position deviation of a base circle formed by the axial leads of the mounting journals of two hub bearings and the central line position point of the mounting seat hole of three planet gear bearings is in the allowable tolerance range is determined by comparing the position of the central point of a triangle formed by the central points of the planet gear bearing hole I9, the planet gear bearing hole II10 and the planet gear bearing hole III11 with the central point of the rotating shaft 1 during measurement, the wheel motor body 12 is fixed on a wheel motor maintenance workbench during measurement, the wheel motor maintenance workbench is rotated, the pipe barrel opening of the motor body 12 is upward, the lifting lug 13 is arranged on the threaded hole of the flange of the base 2, the lifting device (not shown) lifts the base 2 through the connecting lifting lug 13 and puts the base barrel of the wheel motor body 12 into, the rotation shaft 1 is inserted through a center hole (i.e., a sun gear hole) of the motor body 12, the axis of the rotation shaft is exactly aligned with the center point of the center hole of the motor body 12, and the base 2 is connected and fixed to the motor body 12 by the bolt 3. The rotary wheel motor service workbench allows the motor body 12 to be placed laterally. After the sleeve 5 is frozen, the sleeve 5 is arranged in a planetary gear bearing hole I9 of a motor body 12 (belonging to interference fit connection), a part of the sleeve 5 is exposed out of the motor body 12, a magnetic meter seat 6 of a dial indicator 6 is fixedly arranged at the left end of a rotating shaft 1 (shown in the figure), the dial indicator 7 is connected, the pointer of the dial indicator 7 just contacts the outer surface of a hub bearing mounting journal 14 through a connecting rod 8, the maximum value of radial run-out of the dial indicator 7 when the outer surface rotates for one circle is recorded by rotating the rotating shaft 1, the corresponding position is marked so as to determine the position size of the central line of the rotating shaft 1, then the connecting rod 8 is adjusted to enable the pointer of the dial indicator 7 just contact the outer surface of the sleeve 5 where the planetary gear bearing hole I9 is arranged, the maximum value of the radial run-out of the dial indicator 7 when the outer surface rotates for one circle is recorded by, and marking the corresponding positions to determine the central line position size of the planet gear bearing hole I9, using the same method, the central line position sizes of the planet gear bearing hole II10 and the planet gear bearing hole III11 can be measured, the position of the center point of a triangle formed by the center points of the planet gear bearing hole I9, the planet gear bearing hole II10 and the planet gear bearing hole III11 is determined by the calculation of the measured data, and the deviation value is obtained by comparing the center point position of the triangle with the center point determined by the data measured on the outer surface of the hub bearing mounting journal 14, if the value falls within the tolerance range, the motor body 12 is qualified, otherwise, the motor body is unqualified.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations may be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides an electronic round of automobile wheel motor organism key dimension axiality detection device, its characterized in that, includes pivot (1), base (2), bearing (4), sleeve (5) and percentage table (7), bearing (4) run through pivot (1) and pass through interference fit fastening connection to bearing (4) are about pivot (1) bilateral symmetry setting, bearing (4) are equipped with a plurality ofly, and this bearing (4) are the standard component, base (2) inside is equipped with the mount pad hole of a plurality of bearings (4), base (2) are through mount pad hole and bearing (4) external diameter interference fit fixed connection, base (2) are the tubular structure, the one end outside of base (2) is provided with flange (15), fixed mounting has a plurality of lugs (13) on flange (15), be equipped with the screw thread through-hole on flange (15), connecting hole and bolt (3) phase-match on this screw thread through-hole and motor organism (12), sleeve (5) are the tubular structure, sleeve (5) external diameter size and the internal diameter size phase-match of planetary gear bearing hole I (9), planetary gear bearing hole II (10) and planetary gear bearing hole III (11), and the length of sleeve (5) is greater than the axial length of planetary gear bearing hole I (9), planetary gear bearing hole II (10) and planetary gear bearing hole III (11).
2. An electric wheel automobile wheel motor body key dimension coaxiality detection device according to claim 1, wherein the rotating shaft (1) is of an elongated rod-shaped structure.
3. An electric wheel automobile wheel motor body key dimension coaxiality detection apparatus according to claim 1, wherein there are 2 bearings (4).
4. The device for detecting the coaxiality of the key sizes of the motor bodies of the electric-wheel automobile wheel motors as claimed in claim 1, wherein the rotating shaft (1) and the bearings (4) are fixedly connected through interference fit.
5. An electric wheel automobile wheel motor body key dimension coaxiality detection apparatus according to claim 1, wherein said flange (15) is perpendicular to the side wall of the base (2).
6. The device for detecting the coaxiality of the key dimensions of the motor body of the electric wheel automobile wheel motor as claimed in claim 1, wherein the flange (15) and the lifting lug (13) are fixedly connected through welding.
7. The device for detecting the coaxiality of the key sizes of the motor bodies of the electric-wheel automobile wheel motors as claimed in claim 1, wherein 2-4 lifting lugs (13) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467392.0U CN209978802U (en) | 2019-04-09 | 2019-04-09 | Device for detecting coaxiality of key sizes of motor bodies of electric wheel automobile wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920467392.0U CN209978802U (en) | 2019-04-09 | 2019-04-09 | Device for detecting coaxiality of key sizes of motor bodies of electric wheel automobile wheels |
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| CN209978802U true CN209978802U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920467392.0U Active CN209978802U (en) | 2019-04-09 | 2019-04-09 | Device for detecting coaxiality of key sizes of motor bodies of electric wheel automobile wheels |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643147A (en) * | 2020-12-30 | 2021-04-13 | 袁海滨 | Tool clamp for gear grinding of gear with shaft and alignment method |
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2019
- 2019-04-09 CN CN201920467392.0U patent/CN209978802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643147A (en) * | 2020-12-30 | 2021-04-13 | 袁海滨 | Tool clamp for gear grinding of gear with shaft and alignment method |
| CN112643147B (en) * | 2020-12-30 | 2022-07-15 | 袁海滨 | Alignment method of tool clamp for gear grinding of gear with shaft |
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